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Old 06-10-2005, 05:06 AM
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Well that is it, finally got some money together so I can buy a intake and a carb for my 360, I was thinking about the Holley Truck Avenger, Sounds cool as hell any one have expirence with these? also what intake to run? please help, I AM DIEING TO RUN THE WAGGY IT HAS BEEN DOWN * MONTHS NOW!?!?!?!?!?!?!?!?!!??!?!?!?!!?!I CAN'T TAKE IT!!!!!!!!
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Old 06-10-2005, 05:14 AM
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I'm running the Edelbrock Performer/Holley Truck Avenger (670 cfm) and I'm very pleased! I did have to drop four jet sizes from stock on both primaries and secondaries to get the mixture right. I'm at 5300 ft elev. I've nosed it up and down in attempt to get it to sputter, but runs smooth as silk even in those conditions. I haven't had it in much of a sidehill condition though.
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Old 06-10-2005, 05:29 AM
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I"ll be interested in seeing what's posted here, as I'm still debating between an Edelbrock AVS Off-Road carb and the Holley Truck Avenger to go on top of the Edelbrock Air-Gap I snagged last week.

Being I haven't fiddled with a carb in a good 10 years, the Edelbrock's ease of tuning is appealing to me, but at the same time it's much easier to find someone to tune a Holley. Pricing on the two is about the same: $360 for the Holley (www.BuildYour4x4.com) and $350 for the Edelbrock (www.summitracing.com), so that won't be a deciding factor.

I do like how Edelbrock offers tuning kits for their carbs. Not sure if Holley has something like this for the Truck Avenger, so that may be a plus in Edelbrock's favor.

Barry Grant (Demon Carbs) is also coming out with their own version of off-road carbs designed specifically for us mud and rock hounds, but I suspect it will be little more than a slightly tweeked Truck Avenger with a $50-75 bump in price.

[ June 10, 2005, 10:29 AM: Message edited by: MrFurious ]
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Old 06-10-2005, 05:35 AM
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Holley Truck Averger is sopossed to be easily ajusted without haveing to remove it. That is what they say.. Also I'm not a carb or engine guy for that matter does it matter what the carb ws designed for I.E ford, chevy, dodge? or does the intake acount for that?
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Old 06-10-2005, 06:49 AM
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All you need to worry about is that the carb's mounting flange matches the one on the intake for the most part. You can however get adapters to go from one style to another, but why bother with the added expense?

The other difference in carbs is the throttle and kick-down linkage used by the different auto makers. These brackets are relatively cheap and easy to change, so it isn't a big issue. Holley and Edelbrock both offer the needed brackets as bolt-on accessories for their carbs, and several other companies offer them as well.

As for what exactly you'll need I can't say yet, as I haven't done my conversion. From what I've read however, usually everything will bolt right up to them as supplied, though you may need a taller throttle cable bracket.
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Old 06-10-2005, 11:45 AM
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I have the Edelbrock manifold and carb setup on my '89 GW. It was almost set perfectly right out of the box. I have absolutley no regrets. Starts easy and runs like a champ. I still get 14mpg on the hwy too!

If you have an Advance Auto Parts in your area they will match any internet price you find. Just print it up and bring it to the store when you order. They had my stuff in the next day!
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Old 06-10-2005, 12:13 PM
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If I were to use my AMC oem Cast Iron Spreadboar what carb should I get??????? and would I need an adapter somebody has got to be running this set up oem 4bbl spreadbore and what carb??
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Old 06-10-2005, 12:39 PM
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If you have the stock spread bore intake then you will need a adapter to fit both the holley and edlelbrock as they are both square bore. I just bought a truck avenger for my 401 I am building (just sent the money off today) I got mine from this guy: http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=7979969794&catego ry=33550&sspagename=WDVW
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Old 06-10-2005, 12:44 PM
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do u know were to get adapter? or a part number?
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Old 06-10-2005, 01:01 PM
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Trust me, you want the E. Performer. The ports on the stock intakes, even the 4 barrel, are much smaller than the head ports. The plenum on the stock intakes are also much smaller. Not to mention you'll shed 50 lbs. The Performer is a much better intake than stock and you will notice a difference in power on a stock motor.
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Old 06-10-2005, 01:22 PM
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does the holley bolt to the elbrock or does it need an adaptor too?
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Old 06-10-2005, 02:53 PM
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Edelbrock is square as is the Holley. It bolts right up. Your tranny kickdown will bolt right up as well using parts from your original carb. You'll need to purchase the ball stud for the throttle cable. Napa has them. You can modify and re-use the original throttle cable bracket. It's really pretty much a bolt on deal. Remember to fasten the original pan under your intake to the Performer with the rivets provided and use a valley pan gasket (has to be perchased seperately, doesn't come with intake). I believe a carb stud kit comes with the carb.
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Old 06-10-2005, 05:43 PM
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Here is a quick comparison of the Edelbrock performer EGR P/N 3731 (50-states legal) vs the stock manifold:



Found this Great website which details install of edelbrock intake + carb.

BTW, any recommendations on a Throttle Body to mount to the Edelbrock manifold ?

Thanks,

[ June 10, 2005, 10:49 PM: Message edited by: GED ]
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Old 06-10-2005, 06:22 PM
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Poley - read this:
http://www.drbob.tqhosting.com/tech/..._compared.html

It explains in meticulous detail why you cannot run any other carburetor on a stock AMC spreadbore intake manifold without a custom fabbed adaptor (part # TRD-2199). The AMC intake/Motrocraft 4350 4v carb that came stock on some FSJs is a "spreadbore", but it is NOT the same as the "spreadbore" that almost every other person in the world is referring to. It is a funky, one-off, POS that (IMHO) is best off either left alone, or replaced.
An image is worth a 1,000 words?


Also, for when you do replace your intake, this:
http://www.buildyour4x4.com/BY-Tech/IntakeInstall.html
may be of some use to you.



[ June 10, 2005, 11:29 PM: Message edited by: jode ]
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Old 06-11-2005, 07:00 AM
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thanks that is good info..
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Old 06-11-2005, 07:54 AM
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Our Holley needed to be jetted down a couple sizes, but even so, stock, it runs really well out-of-the-box w/ an Edelbrock Performer 4bbl manifold.
The stock secondary springs are too stiff for the vacuum signature of a near-stock AMC 360. The 670cfm carb is borderline too much carb for a near-stock AMC 360cid, but Holley sells a really cool tune-up kit w/ a variety of springs and jets. Thus, the TruckAvenger can be made to work with a 360 handily. It takes a bit of fiddling and tinkering, but I don't mind.
I had to enrich the mixture as well, the carb was a bit too lean from the factory, but on the highway, the truck gets pretty decent MPG.
Stop-an-go is a real MPG killer. I'd estimate our is Hwy 13-15MPG, City 8MPG.
Up/down the steep German hills, the TruckAvenger/360 just chugs away, no worries. I've even gotten into a couple odd off-camber spots whilst two-tracking, and the carb didn't miss a beat.
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Old 06-11-2005, 02:47 PM
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i am using the offy 360 degree intake with 600 cfm holley carb...it has much more throttle response than performer or torker with the same carb for what it is worth
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Old 06-12-2005, 03:45 AM
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So far the only thing I don't like about my holley truck avenger is the lack of a bowl vent tube that can be piped into the evap system. (stinks like gas on hot shutdown) Otherwise the carb is fairly easy to adjust.
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Old 06-12-2005, 04:02 AM
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Does a Edelbrock 1400 Carb need to rejetted to run on a stock motor?
I just installed a 2132 intake and 1400 carb on my J20.
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